Home / 38,945.41-53,709.38-25,511.76

Finding the Fourth Proportional to 38,945.41, 53,709.38 and 25,511.76

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Solution

The fourth proportional to 38,945.41, 53,709.38 and 25,511.76 is: 35,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.41 : 53,709.38 = 25,511.76 : x
  2. Step 2: Convert to fraction form
    38,945.41/53,709.38 = 25,511.76/x
  3. Step 3: Cross multiply
    38,945.41x = 53,709.38 × 25,511.76
  4. Step 4: Simplify right side
    38,945.41x = 1,370,220,780.42
  5. Step 5: Solve for x
    x = 1,370,220,780.42/38,945.41
  6. Step 6: Final answer
    x = 35,183.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.